webmonitor | 33601ed19abcc23007fe84871d48eead96b4bedc455a264bb1d36d570096793e

Analysis

max time kernel
13s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
12-08-2021 05:20

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General

Target

NEW PURCHASE ORDER.exe
Size

982KB
MD5

bcb77b64ef4a369f8b381aff4c6f1c57
SHA1

4624958cd8a724ad01868331d9a78a64fb0cdcb0
SHA256

142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf
SHA512

9249aea1d4a0d467c544271297ee7b88851c586c9afab522f845a071d7551bbefdfc49b516d13bb5d31277ab194026ecd5852e0d751b0527e7543a2d9607405a

Score

10^/10

webmonitor backdoor infostealer rat

Malware Config

Signatures

RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
backdoor rat infostealer webmonitor

WebMonitor Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1268-116-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1496 set thread context of 1268	1496	NEW PURCHASE ORDER.exe	75

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1496	NEW PURCHASE ORDER.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1268	NEW PURCHASE ORDER.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1268	NEW PURCHASE ORDER.exe
Token: SeCreatePagefilePrivilege	1268	NEW PURCHASE ORDER.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1268	1496	NEW PURCHASE ORDER.exe	75
PID 1496 wrote to memory of 1268	1496	NEW PURCHASE ORDER.exe	75
PID 1496 wrote to memory of 1268	1496	NEW PURCHASE ORDER.exe	75
PID 1496 wrote to memory of 1268	1496	NEW PURCHASE ORDER.exe	75
PID 1268 wrote to memory of 3580	1268	NEW PURCHASE ORDER.exe	79
PID 1268 wrote to memory of 3580	1268	NEW PURCHASE ORDER.exe	79
PID 1268 wrote to memory of 3580	1268	NEW PURCHASE ORDER.exe	79

C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.exe
  "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.exe"
  2⤵
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1268
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pYnD0E2x2yaik93I.bat" "
    3⤵
    PID:3580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1268-116-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

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memory/1496-115-0x00000000001E0000-0x00000000001E2000-memory.dmp

Filesize
8KB

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